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drm/tidss: Add drm_panic support

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Add support for the drm_panic infrastructure, which allows to display
a user friendly message on the screen when a Linux kernel panic occurs.

Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Reviewed-by: Aradhya Bhatia <a-bhatia1@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240615085326.1726262-1-javierm@redhat.com
This commit is contained in:
Javier Martinez Canillas 2024-06-15 10:53:18 +02:00
parent 118b4eed8b
commit b2cb6011bc
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GPG Key ID: C751E590D63F3D69
1 changed files with 13 additions and 1 deletions
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14
drivers/gpu/drm/tidss/tidss_plane.c
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@ -8,6 +8,7 @@
#include <drm/drm_atomic_helper.h>
#include <drm/drm_blend.h>
#include <drm/drm_crtc.h>
#include <drm/drm_fb_dma_helper.h>
#include <drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>
#include <drm/drm_gem_atomic_helper.h>
@ -166,6 +167,14 @@ static const struct drm_plane_helper_funcs tidss_plane_helper_funcs = {
.atomic_disable = tidss_plane_atomic_disable,
};
static const struct drm_plane_helper_funcs tidss_primary_plane_helper_funcs = {
.atomic_check = tidss_plane_atomic_check,
.atomic_update = tidss_plane_atomic_update,
.atomic_enable = tidss_plane_atomic_enable,
.atomic_disable = tidss_plane_atomic_disable,
.get_scanout_buffer = drm_fb_dma_get_scanout_buffer,
};
static const struct drm_plane_funcs tidss_plane_funcs = {
.update_plane = drm_atomic_helper_update_plane,
.disable_plane = drm_atomic_helper_disable_plane,
@ -211,7 +220,10 @@ struct tidss_plane *tidss_plane_create(struct tidss_device *tidss,
if (ret < 0)
goto err;
drm_plane_helper_add(&tplane->plane, &tidss_plane_helper_funcs);
if (type == DRM_PLANE_TYPE_PRIMARY)
drm_plane_helper_add(&tplane->plane, &tidss_primary_plane_helper_funcs);
else
drm_plane_helper_add(&tplane->plane, &tidss_plane_helper_funcs);
drm_plane_create_zpos_property(&tplane->plane, tidss->num_planes, 0,
num_planes - 1);